DR. MARY LYNN CHU M.D.
NPI 1346397023
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in New York, NY
About Dr. Mary Lynn Chu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY LYNN CHU M.D. (NPI 1346397023) is an individual neurology with special qualifications in child neurology provider in New York, New York, licensed in New York (161562) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1978).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mary Lynn Chu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mary Lynn Chu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10003
NEW YORK, NY 10003
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Lynn Chu's NPI number?
The NPI number for Mary Lynn Chu is 1346397023. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is Mary Lynn Chu located?
Mary Lynn Chu practices at 301 E 17th St, New York, NY 10003. The listed phone number is (212) 598-6203.
What is Mary Lynn Chu's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.
Is Mary Lynn Chu enrolled in Medicare?
Yes. Mary Lynn Chu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mary Lynn Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lynn Chu reassigns Medicare benefits to New York University (Boynton Beach, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Lynn Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Lynn Chu was last updated on August 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Mary Lynn Chu, M.D. · NPI 1346397023
Neurology with Special Qualifications in Child Neurology physician in New York, New York. Individual provider, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1346397023 (Entity type: Individual)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology · taxonomy 2084N0402X
- **State license:** 161562 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 301 E 17TH ST, New York, NY 10003-3804
- **Phone:** (212) 598-6203 · **Fax:** (212) 598-6130
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** New York University (NPI 1285826438, Boynton Beach, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1978
## Record status
- **NPPES last updated:** August 10, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1346397023) · Data from the CMS NPPES public registry.